The absolute value of the number
Problem
Given an integer that is not equal to zero, output its absolute value (assuming that there is no corresponding built-in function). Do not use a complete conditional statement.
The absolute value of a number is an integer or a decimal number without a sign.
Input format
The input consists of a single integer, not exceeding 1000 in absolute value, and not equal to zero.
Output format
Output the absolute value of the given number.
Example
| N |
Input |
Output |
| 1 |
-1 |
1 |
| 2 |
1 |
1 |
Запрещенные операторы: abs; else